ODONTOSCHISMA. 175 



Fruits April, May. 



Dimensions. — |- to 1 inch long, diam. 2 mm.; leaves 'J mm. 

 X "5 mm., 7 mm. x '7 mm., 1' mm. x -9 mm., 'G mm. x '5 mm., 

 '7 mm. X -(3 mm., '8 mm. x 'G mm.; cells '025 mm. x 02 mm., 

 •02 mm. X -0172 mm., '02 mm. x '02 mm. ; stipules '4 mm. x 

 •25 mm., '35 mm. x '25 mm., '5 mm. x 2 mm. ; sub-bracts 'G mm. 

 X -4: mm.; sinus •! mm., "7 mm. x -4 mm., -35 mm. x -2 mm., 

 •4 mm. X •S mm., 'o mm. x ^3 mm. ; sub-bracteole ^3 mm. x ^2 mm. ; 

 bract '7b mm. x •Q mm., segments '3 mm. ; bracteole •!) mm. x 

 •45 mm., sinus "05 mm. ; perianth '2 mm. x -G mm.; pistillidia 

 •2 mm. X ^03 mm. (andnecia '5 mm. — 1^5 mm. long x ^25 mm. 

 thick S.O.L.). 



Hab. — Growing on rotting trunks of trees or dead vegetable 

 matter, or on crumbling sandstone. 



Somewhat rare ; very rare in fruit. 



2. On crumbling sand rock, Tunbridge Wells, Dr. Spruce; 

 A rdingley Rocks, Sussex, G.Davies. 7. Tyn-y-Groes, Merioneth, 

 irUd §• Holt. 8. Stirrup Wood, Derbyshire, G. J. Holt. 9. Car- 

 rington Moss, Cheshire, G. A. Holt; Clifton Junction, Lane, 

 C. J. Wild. 12, 13. Burmurray, Balmaclellan, New Galloway, 

 J. Mc Andrew. IG. Glen Finnan, Br. Carriiujtou ; Moidart, 

 /S'. M. Macvicar. I. Co. Mayo, D. Moore. 



Found on the Continent, North America ; also on the Andes 

 of South America, Dr. Spruce. 



Obs. — Differs from Cephalozia (0.) Sjjhafjni (Dicks.) in its 

 intricately branched leafless caudex, branches usually erect, atten- 

 uate, gemmiparous ; leaves never secund, destitute of any distinct 

 margin, epidermis verruculose, abundant presence of stipules 

 everywhere. 



Ceph. [0.) Spliacjni (Dicks.) has stems often repeatedly arcu- 

 ately branched, which are equally leaved throughout, often 

 secund, with a distinct margin, stipules absent or few and extremely 

 minute. 



" Cepli. (0.) deHudaia\'& usually found growing on rotting wood 

 or crumbling sandstone; CcjjIi. {(J.) Sphof/ni on living /iyV/r/y //a 

 and other bo"- mosses." li. S. 



